Urban Dictionary: Definitions by Ack Desairis, Philosopher

Ganker

One who exploits and underhanded tactics to win a battle to make up for their lack of school.

I would have won if that filthy ganker hadn't backstabbed me while I was AFK.

When you are truly put in the position that no matter what happens after that point, you cannot win whatever conflict you are currently involved in.

Well what happens if they catch the rabbits? Then they're fucked proper, Tommy.